Question

Which of the following image does not represents the perfect rectangle of the number 15?

• A.
• B.
• C.

Answer 1

The correct option is C

Factors of 15: 1, 3, 5, 15
$\therefore 1\times 15=15$
$3\times 5=15$
As there are 15 rectangles , it represent the perfect rectangle of dimensions of $15\times 1$As there are 15 rectangles , it represent the perfect rectangle of dimensions of $3\times 5$

It does not represent perfect rectangle of 15 beacuse it does not have proper dimension .
$7\times 2$ = 14

$\therefore$ Option C is the correct answer